Lock



FIG. 1 is a perspective view of a lock showing our new design;

FIG. 2 is a front view of the lock of FIG. 1;

FIG. 3 is a rear view of the lock of FIG. 1;

FIG. 4 is a left side view of the lock of FIG. 1, the opposite sitebeing a mirror image of FIG. 4;

FIG. 5 is a top view of the lock of FIG. 1; and,

FIG. 6 is a bottom view of the lock of FIG. 1.

The broken lines, which define the bounds of the claimed design, form nopart thereof. The broken lines environmental are for illustrativepurpose and form no part of the claimed design.

The ornamental design for lock, as shown and described.